77
18.3.5. Time synchronization
The optical input for time synchronization is X74.
18.3.6. HMI
A051459
Fig. 18.3.6.-1 HMI connectors
The HMI power supply is X10 (1 is +, 2 is -), while the serial cable to connect
the Base Unit must be connected to X20.
Respect the right polarity on the HMI power supply to avoid
damages to the unit.
1MRS755869
Multifunction Protection and Switchgear Control
Unit
Operator's manual
REF542plus
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